package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /*
    *动态条件查询
    * */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /*
    根据id修改商品数量
    * */
    @Update("update shopping_cart set  number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);


    /*
    * 插入数据(购物车)
    * */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number,amount,image, create_time) " +
            "values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /*
    * 清空购物车
    * */
    @Delete("delete from shopping_cart where user_id =#{userId}")
    void deleteByUserId(Long userId);

    /*
    * 根据id删除购物车数据
    * */
    @Delete("delete  from shopping_cart where id =#{id}")
    void deleteById(Long id);

    /*
    * 批量插入购物车数据
    * */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
